linux-kernel - Re: [PATCH] ANDROID: binder: remove 32-bit binder interface.

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Message-ID: <CAB0TPYG4Jg54Hg+BWwHqjgZWepxOmcBek=aa3rc=G_h5i=5jNg@mail.gmail.com>
Date:   Mon, 14 May 2018 23:30:52 +0200
From:   Martijn Coenen <maco@...roid.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        kbuild test robot <lkp@...el.com>,
        Greg KH <gregkh@...uxfoundation.org>, kbuild-all@...org,
        John Stultz <john.stultz@...aro.org>,
        Todd Kjos <tkjos@...gle.com>,
        Arve Hjønnevåg <arve@...roid.com>,
        Amit Pundir <amit.pundir@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:ANDROID DRIVERS" <devel@...verdev.osuosl.org>,
        Martijn Coenen <maco@...gle.com>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] ANDROID: binder: remove 32-bit binder interface.

On Mon, May 14, 2018 at 4:00 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> Patch sent.

Thanks for the quick turn-around!

>
> BTW, sh also doesn't seem to have 64-bit get_user().
> There may be others.

I checked quickly, nios2 is the only other arch that explicitly
doesn't support it and would result in a build error; some other archs
don't define __get_user, but in that case they just fall back to
raw_copy_from_user().

>
> BTW2, does the Android Binder need to care about endianness when talking
> to userspace?

No, I don't think it should.

Thanks,
Martijn

>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds